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Credit
Dr. Charles T. Jackson's statement of the history of his discovery of the means of preventing all sensations of pain in surgical operations by administration of vapor of pure sulphuric ether mixed with air, by pulmonary inhalation. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)